/*
 * ProGuard -- shrinking, optimization, obfuscation, and preverification of Java bytecode.
 *
 * Copyright (c) 2002-2018 GuardSquare NV
 *
 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program; if not, write to the Free
 * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
package a.annotation.proguard.classfile.attribute.annotation;

import proguard.classfile.*;
import proguard.classfile.attribute.*;
import proguard.classfile.attribute.annotation.visitor.AnnotationVisitor;

/**
 * This Attribute represents an annotations attribute.
 *
 * @author Eric Lafortune
 */
public abstract class AnnotationsAttribute extends Attribute {
    public int u2annotationsCount;
    public Annotation[] annotations;

    /**
     * Creates an uninitialized AnnotationsAttribute.
     */
    protected AnnotationsAttribute() {}

    /**
     * Creates an initialized AnnotationsAttribute.
     */
    protected AnnotationsAttribute(int u2attributeNameIndex, int u2annotationsCount, Annotation[] annotations) {
        super(u2attributeNameIndex);

        this.u2annotationsCount = u2annotationsCount;
        this.annotations = annotations;
    }

    /**
     * Applies the given visitor to all class annotations.
     */
    public void annotationsAccept(Clazz clazz, AnnotationVisitor annotationVisitor) {
        for (int index = 0; index < u2annotationsCount; index++) {
            // We don't need double dispatching here, since there is only one
            // type of Annotation.
            annotationVisitor.visitAnnotation(clazz, annotations[index]);
        }
    }

    /**
     * Applies the given visitor to all field annotations.
     */
    public void annotationsAccept(Clazz clazz, Field field, AnnotationVisitor annotationVisitor) {
        for (int index = 0; index < u2annotationsCount; index++) {
            // We don't need double dispatching here, since there is only one
            // type of Annotation.
            annotationVisitor.visitAnnotation(clazz, field, annotations[index]);
        }
    }

    /**
     * Applies the given visitor to all method annotations.
     */
    public void annotationsAccept(Clazz clazz, Method method, AnnotationVisitor annotationVisitor) {
        for (int index = 0; index < u2annotationsCount; index++) {
            // We don't need double dispatching here, since there is only one
            // type of Annotation.
            annotationVisitor.visitAnnotation(clazz, method, annotations[index]);
        }
    }

    /**
     * Applies the given visitor to all code attribute annotations.
     */
    public void annotationsAccept(Clazz clazz, Method method, CodeAttribute codeAttribute,
        AnnotationVisitor annotationVisitor) {
        for (int index = 0; index < u2annotationsCount; index++) {
            // We don't need double dispatching here, since there is only one
            // type of Annotation.
            annotationVisitor.visitAnnotation(clazz, method, codeAttribute, annotations[index]);
        }
    }
}
